\documentclass[a4paper,11pt]{article}
\usepackage[spanish]{babel}
\usepackage{natbib}\setlength{\bibsep}{5pt}
%\bibpunct{[}{]}{;}{a}{,}
\usepackage{colortbl}
\usepackage[utf8]{inputenc}
\usepackage{a4wide}
\usepackage{hyperref}
\usepackage{lastpage}
\usepackage{fancyhdr}
\pagestyle{fancy}
\usepackage{graphicx}

\fancyhead{}
\fancyfoot{}
\fancyfoot[C]{\thepage~of~\pageref{LastPage}}% of \numpages}
\renewcommand{\headrulewidth}{0pt}
\begin{document}


%\renewcommand{\refname}{Bibliografía}
% Looking good!
\input{cover}

\input{intro}
% Done!
\input{objetivos}
% Done!
\input{metodos}

\input{plandetrabajo}

%\input{progreso}

\input{referencias}

\newpage
\tableofcontents
\end{document}
